oxibonsai_eval/
error.rs

1//! Error types for the evaluation harness.
2//!
3//! The error enum is marked `#[non_exhaustive]`: callers must include a
4//! wildcard arm when matching so that future variant additions are a
5//! non-breaking change.
6
7use thiserror::Error;
8
9/// Errors that can occur during model evaluation.
10#[derive(Debug, Error)]
11#[non_exhaustive]
12pub enum EvalError {
13    /// The provided dataset contains no examples.
14    #[error("dataset is empty")]
15    DatasetEmpty,
16
17    /// Input data has an unexpected or malformed format.
18    #[error("invalid format: {0}")]
19    InvalidFormat(String),
20
21    /// The model inference step failed.
22    #[error("inference failed: {0}")]
23    InferenceFailed(String),
24
25    /// An I/O error with a human-readable message (legacy string form).
26    #[error("I/O error: {0}")]
27    IoError(String),
28
29    /// Parsing of a value (e.g. JSON field, integer) failed.
30    #[error("parse error: {0}")]
31    ParseError(String),
32
33    /// A numerical invariant was violated (NaN, divide-by-zero, overflow).
34    #[error("numerical error: {0}")]
35    Numerical(String),
36
37    /// An I/O error bubbled up from the standard library.
38    ///
39    /// Preferred over [`EvalError::IoError`] for automatic `?`-propagation
40    /// of `std::io::Error` values.
41    #[error("I/O error: {0}")]
42    Io(#[from] std::io::Error),
43
44    /// The caller supplied data with the wrong metric shape or type.
45    #[error("metric mismatch: expected {expected}, got {got}")]
46    MetricMismatch {
47        /// Human-readable description of what was expected.
48        expected: &'static str,
49        /// Human-readable description of what was actually provided.
50        got: String,
51    },
52}
oxibonsai_eval/error.rs

oxibonsai_eval/
error.rs
